National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9154 Detail

Current Description

Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions < V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions < V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/94962 Third Party Advisory VDB Entry
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdf Mitigation Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-16-355-01 Third Party Advisory US Government Resource

Technical Details

Vulnerability Type (View All)

  • Insufficient Entropy in PRNG (CWE-332)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:siemens:desigo_web_module_pxa30-w0_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
 cpe:2.3:a:siemens:desigo_web_module_pxa30-w1_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
 cpe:2.3:a:siemens:desigo_web_module_pxa30-w2_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
 cpe:2.3:a:siemens:desigo_web_module_pxa40-w0_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
 cpe:2.3:a:siemens:desigo_web_module_pxa40-w1_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
 cpe:2.3:a:siemens:desigo_web_module_pxa40-w2_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.00.00
Running on/with
 cpe:2.3:h:siemens:desigo_web_module_pxa30-w0:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:siemens:desigo_web_module_pxa30-w1:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:siemens:desigo_web_module_pxa30-w2:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:siemens:desigo_web_module_pxa40-w0:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:siemens:desigo_web_module_pxa40-w1:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:siemens:desigo_web_module_pxa40-w2:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9154
NVD Published Date:
12/23/2016
NVD Last Modified:
12/30/2016